Senior Front End Engineer - Contract

criterion. The exact framework is not fixed, so we need someone who is strong on front‑end fundamentals and adaptable across tools.

Type: Contract (Outside IR35)

Location: UK-based (flexible home, office, or hybrid working)

Office locations: Newcastle and Leeds

Hub locations: Edinburgh, Manchester, London

We’re growing our Engineering team to strengthen our ability to deliver world‑class digital products for our clients.

As a Senior Front End Engineer, you’ll play a key role in a fast‑moving proof of concept engagement. The goal is to build something that looks great, works well, and helps make confident technology choices.

What you’ll do

• Build and iterate on a proof‑of‑concept front‑end at pace, focusing on outcomes and usability.
• Collaborate closely with Product and UX to shape journeys, interactions, and responsiveness.
• Integrate with back‑end APIs se...